HOLLYWOOD, CA - APRIL 11: Actor Jeremy Renner arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Samuel L. Jackson arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Writer/producer Stan Lee arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Scarlett Johansson arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Writer/producer Stan Lee arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Dylan Riley Snyder arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Chris Hemsworth arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Damian McGinty arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Chris Hemsworth arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress/singer Kat Graham arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Actor Mark Ruffalo (R) and Sunrise Coign

Actor Mark Ruffalo (R) and Sunrise Coigney arrive at the the world premiere of Marvel?s "The Avengers", at the El Capitan Theatre in Hollywood, California, April 11, 2012. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Tom Hiddleston arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: TV personality Mario Lopez arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: TV Personality Audrina Patridge arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actors Clark Gregg (L) and Jennifer Grey arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Executive producer Jon Favreau arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

HOLLYWOOD, CA - APRIL 11: Actress Cobie Smulders arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

HOLLYWOOD, CA - APRIL 11: Actor Robert Downey Jr. (L) and Susan Downey arrive at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Robert Downey Jr. arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress/singer Kat Graham arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Tyler Blackburn arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Spencer Boldman arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Bella Thorne arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Renee Olstead arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Renee Olstead arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Clare Grant arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Mackinlee Waddell arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Musician Chris Cornell (C) and family arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)